Preprints
https://doi.org/10.5194/essd-2024-294
https://doi.org/10.5194/essd-2024-294
09 Aug 2024
 | 09 Aug 2024
Status: this preprint is currently under review for the journal ESSD.

Century Long Reconstruction of Gridded Phosphorus Surplus Across Europe (1850–2019)

Masooma Batool, Fanny J. Sarrazin, and Rohini Kumar

Abstract. Phosphorus (P) surplus in soils significantly contributes to the eutrophication and degradation of water quality in surface waters worldwide. Despite extensive European regulations, elevated P levels persist in many water bodies across the continent. Long-term annual data on soil P surplus are essential to understand these levels and guide future management strategies. This study reconstructs and analyzes the annual long-term P surplus for both agricultural and non-agricultural soils across Europe at a 5 arcmin (≈ 10 km at the equator)  spatial resolution from 1850 to 2019. The dataset includes 48 P surplus estimates that account for uncertainties arising from different methodological choices and coefficients in major components of the P surplus. Our results indicate substantial changes in P surplus magnitude over the past 100 years, underscoring the importance of understanding a long-term P surplus. Specifically, the total P surplus across the EU-27 has tripled over 170 years, from 1.19 (±0.28) kg ha−1 yr−1 in 1850 to around 2.48 (±0.97) kg ha−1 yr−1 in recent years. We evaluated the plausibility and consistency of our P surplus estimates by comparing them with existing studies and identified potential areas for further improvement. Notably, our dataset supports aggregation at various spatial scales, aiding in the development of targeted strategies to address soil and water quality issues related to P. The P surplus reconstructed dataset is available at: https://doi.org/10.5281/zenodo.11351028.

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Masooma Batool, Fanny J. Sarrazin, and Rohini Kumar

Status: final response (author comments only)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on essd-2024-294', Anonymous Referee #1, 26 Aug 2024
  • AC1: 'Comment on essd-2024-294', Masooma Batool, 26 Aug 2024
    • AC2: 'Reply on AC1', Masooma Batool, 26 Aug 2024
  • RC2: 'Comment on essd-2024-294', Anonymous Referee #2, 01 Sep 2024
  • RC3: 'Comment on essd-2024-294', Anonymous Referee #3, 13 Sep 2024
Masooma Batool, Fanny J. Sarrazin, and Rohini Kumar

Data sets

Century Long Reconstruction of Gridded Phosphorus Surplus Across Europe (1850-2019) Masooma Batool et al. https://zenodo.org/records/11351028

Model code and software

Century Long Reconstruction of Gridded Phosphorus Surplus Across Europe (1850-2019) Masooma Batool et al. https://zenodo.org/records/11351028

Masooma Batool, Fanny J. Sarrazin, and Rohini Kumar

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Short summary
Our paper presents a reconstruction and analysis of the gridded P surplus in European landscapes from 1850 to 2019 at a 5 arcmin resolution. By utilizing 48 different estimates, we account for uncertainties in major components of the P surplus. Our findings highlight substantial historical changes, with the total P surplus in EU-27 tripling over 170 years. Our dataset enables flexible aggregation at various spatial scales, providing critical insights for land and water management strategies.
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